English Reference
Idiom idiom

fly in the ointment


Something (especially a minor thing) which ruins or spoils everything else, or makes it less pleasant; a nuisance or problem; a disagreeable or unpleasant detail.

Meaning adapted from Wiktionary, available under CC BY-SA 4.0.


SIMPLE

The rain was the only fly in the ointment for our picnic.

A slow internet connection is the only fly in the ointment at this office.

His bad attitude is a fly in the ointment during our team meetings.

CONTEXTUAL

The hotel was beautiful, but the noisy construction next door was a real fly in the ointment.

The new apartment is perfect, but the lack of parking is a fly in the ointment that makes me hesitate to sign the lease.

We planned a great party, but the fact that the cake never arrived was a disappointing fly in the ointment for the host.

COMPLEX

Everything about the merger seemed perfect, yet the sudden discovery of hidden debt proved to be a significant fly in the ointment.


A reference to Ecclesiastes 10:1 in the Bible (King James Version; spelling modernized): “Dead flies cause the ointment of the apothecary to send forth a stinking savour: so doeth a little folly him that is in reputation for wisdom and honour.”


Related idioms8entries
  1. 01

    fly blind

    To do by guesswork; to feel one's way.

  2. 02

    fly by

    To pass or go past quickly, often without much interaction

  3. 03

    fly by the seat of one's pants

    To pilot an aircraft without the aid of instruments and without a flight plan, using only instinct, visual observation, and practical judgment.

  4. 04

    fly in the face of

    To act in a manner highly contrary to; to counteract or contradict.

  5. 05

    fly low

    To have one's fly (zipper) undone.

  6. 06

    fly off

    To flee rapidly; to run away.

  7. 07

    fly off at a tangent

    To digress from a topic.

  8. 08

    fly off the handle

    To become very angry or enraged; to throw a fit or go crazy.

Last updated August 10, 2026